FastenMaster FMFLEX40 Hot Melt Adhesive Glue for HB220 Glue Gun Works with Hb220 glue gun 40 second open time/5 minutes for full cure 1 glue stick per 4 foot carpet tack strip Multi-purpose hot melt adhesive for many applications Great for carpet tack strips to concrete, vinyl cove molding, ceramic/glass wall tile repair and much more